/*
 *   Copyright (C) 2009  Jens Kieselbach
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You may obtain a copy of the License at http://www.gnu.org/licenses/gpl.html
 */
package de.kieselbach.grootional.value

public class CatalogSchemaValue {

    String catalog
    String schema
    String description

    CatalogSchemaValue(String c, String s) {

        catalog = c
        schema = s

        if(catalog != null && catalog.trim().length() <= 0) {
            catalog = null
        }
        if(schema != null && schema.trim().length() <= 0) {
            schema = null
        }

        if(catalog != null) {
            if(schema != null) {
                description = catalog + ' - ' + schema
            }
            else {
                description = catalog
            }
        }
        else if(schema != null) {
            description = schema
        }

        if(description == null) {
            description = ''
        }
    }

    public String toString() {

        description
    }

    public boolean equals(Object obj) {

        if (obj != null && obj.getClass() == getClass()) {
            return description == obj.description;
        }
        else {
            return false;
        }
    }

    public int hashCode() {

        return description != null ? description.hashCode() : 0;
    }
}